Mailchimp vs Startmail Comparison (2025)

What are the differences between Mailchimp and Startmail?

Forward Email Team
Written by
Forward Email TeamVerified
Published
7/1/25
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Mailchimp.

Email Service Comparison

20 facts in comparison
Mailchimpvs.Startmail

Mailchimp

Turn Emails into Revenue
"Turn Emails into Revenue"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

Startmail

Private email you can trust
"Private email you can trust"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$33/moPricing$7/mo
No Mailchimp does not support storageStorage20 GB
25 MBAttachments25 MB
NoOpen-SourceNo
NoSandboxed Encryption ❌ Startmail claims to use a User Vault, but this statement has not been audited and their source code is closed-source
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
❌ Requires paid add-on for Mandrill of at least $20/moSMTPYes
NoIMAPYes
NoPOP3Yes
YesAPINo
NoE2EE ⚠️ Supported if both sender and recipient are using OpenPGP
NoOpenPGP ⚠️ Supports OpenPGP, but does not support WKD
NoWKD No

Email Service Screenshots

Closed-source

Mailchimp

Mailchimp is a closed-source email service. Its description from its website is: Turn Emails into Revenue

Mailchimp is a closed-source email service.
Photo by Forward Email
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Closed-source

Startmail

Startmail is a closed-source email service. Their official description reads: Private email you can trust

Startmail is a closed-source email service.
Photograph by Forward Email
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